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Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
  dm table: pass correct dev area size to device_area_is_valid
  dm: remove queue next_ordered workaround for barriers
  dm raid1: wake kmirrord when requeueing delayed bios after remote recovery
This commit is contained in:
Linus Torvalds 2009-07-27 12:16:21 -07:00
commit 4897f1011a
10 changed files with 18 additions and 32 deletions
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2
drivers/md/dm-crypt.c
View file

@ -1318,7 +1318,7 @@ static int crypt_iterate_devices(struct dm_target *ti,
{
struct crypt_config *cc = ti->private;
return fn(ti, cc->dev, cc->start, data);
return fn(ti, cc->dev, cc->start, ti->len, data);
}
static struct target_type crypt_target = {

4
drivers/md/dm-delay.c
View file

@ -324,12 +324,12 @@ static int delay_iterate_devices(struct dm_target *ti,
struct delay_c *dc = ti->private;
int ret = 0;
ret = fn(ti, dc->dev_read, dc->start_read, data);
ret = fn(ti, dc->dev_read, dc->start_read, ti->len, data);
if (ret)
goto out;
if (dc->dev_write)
ret = fn(ti, dc->dev_write, dc->start_write, data);
ret = fn(ti, dc->dev_write, dc->start_write, ti->len, data);
out:
return ret;

2
drivers/md/dm-linear.c
View file

@ -139,7 +139,7 @@ static int linear_iterate_devices(struct dm_target *ti,
{
struct linear_c *lc = ti->private;
return fn(ti, lc->dev, lc->start, data);
return fn(ti, lc->dev, lc->start, ti->len, data);
}
static struct target_type linear_target = {

2
drivers/md/dm-mpath.c
View file

@ -1453,7 +1453,7 @@ static int multipath_iterate_devices(struct dm_target *ti,
list_for_each_entry(pg, &m->priority_groups, list) {
list_for_each_entry(p, &pg->pgpaths, list) {
ret = fn(ti, p->path.dev, ti->begin, data);
ret = fn(ti, p->path.dev, ti->begin, ti->len, data);
if (ret)
goto out;
}

3
drivers/md/dm-raid1.c
View file

@ -638,6 +638,7 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
spin_lock_irq(&ms->lock);
bio_list_merge(&ms->writes, &requeue);
spin_unlock_irq(&ms->lock);
delayed_wake(ms);
}
/*
@ -1292,7 +1293,7 @@ static int mirror_iterate_devices(struct dm_target *ti,
for (i = 0; !ret && i < ms->nr_mirrors; i++)
ret = fn(ti, ms->mirror[i].dev,
ms->mirror[i].offset, data);
ms->mirror[i].offset, ti->len, data);
return ret;
}

7
drivers/md/dm-stripe.c
View file

@ -320,10 +320,11 @@ static int stripe_iterate_devices(struct dm_target *ti,
int ret = 0;
unsigned i = 0;
do
do {
ret = fn(ti, sc->stripe[i].dev,
sc->stripe[i].physical_start, data);
while (!ret && ++i < sc->stripes);
sc->stripe[i].physical_start,
sc->stripe_width, data);
} while (!ret && ++i < sc->stripes);
return ret;
}

15
drivers/md/dm-table.c
View file

@ -346,7 +346,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md)
* If possible, this checks an area of a destination device is valid.
*/
static int device_area_is_valid(struct dm_target *ti, struct dm_dev *dev,
sector_t start, void *data)
sector_t start, sector_t len, void *data)
{
struct queue_limits *limits = data;
struct block_device *bdev = dev->bdev;
@ -359,7 +359,7 @@ static int device_area_is_valid(struct dm_target *ti, struct dm_dev *dev,
if (!dev_size)
return 1;
if ((start >= dev_size) || (start + ti->len > dev_size)) {
if ((start >= dev_size) || (start + len > dev_size)) {
DMWARN("%s: %s too small for target",
dm_device_name(ti->table->md), bdevname(bdev, b));
return 0;
@ -377,11 +377,11 @@ static int device_area_is_valid(struct dm_target *ti, struct dm_dev *dev,
return 0;
}
if (ti->len & (logical_block_size_sectors - 1)) {
if (len & (logical_block_size_sectors - 1)) {
DMWARN("%s: len=%llu not aligned to h/w "
"logical block size %hu of %s",
dm_device_name(ti->table->md),
(unsigned long long)ti->len,
(unsigned long long)len,
limits->logical_block_size, bdevname(bdev, b));
return 0;
}
@ -482,7 +482,7 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti,
#define min_not_zero(l, r) (l == 0) ? r : ((r == 0) ? l : min(l, r))
int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
sector_t start, void *data)
sector_t start, sector_t len, void *data)
{
struct queue_limits *limits = data;
struct block_device *bdev = dev->bdev;
@ -830,11 +830,6 @@ unsigned dm_table_get_type(struct dm_table *t)
return t->type;
}
bool dm_table_bio_based(struct dm_table *t)
{
return dm_table_get_type(t) == DM_TYPE_BIO_BASED;
}
bool dm_table_request_based(struct dm_table *t)
{
return dm_table_get_type(t) == DM_TYPE_REQUEST_BASED;

10
drivers/md/dm.c
View file

@ -2203,16 +2203,6 @@ int dm_swap_table(struct mapped_device *md, struct dm_table *table)
goto out;
}
/*
* It is enought that blk_queue_ordered() is called only once when
* the first bio-based table is bound.
*
* This setting should be moved to alloc_dev() when request-based dm
* supports barrier.
*/
if (!md->map && dm_table_bio_based(table))
blk_queue_ordered(md->queue, QUEUE_ORDERED_DRAIN, NULL);
__unbind(md);
r = __bind(md, table, &limits);

1
drivers/md/dm.h
View file

@ -61,7 +61,6 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits);
int dm_table_any_busy_target(struct dm_table *t);
int dm_table_set_type(struct dm_table *t);
unsigned dm_table_get_type(struct dm_table *t);
bool dm_table_bio_based(struct dm_table *t);
bool dm_table_request_based(struct dm_table *t);
int dm_table_alloc_md_mempools(struct dm_table *t);
void dm_table_free_md_mempools(struct dm_table *t);

4
include/linux/device-mapper.h
View file

@ -84,7 +84,7 @@ typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
typedef int (*iterate_devices_callout_fn) (struct dm_target *ti,
struct dm_dev *dev,
sector_t physical_start,
sector_t start, sector_t len,
void *data);
typedef int (*dm_iterate_devices_fn) (struct dm_target *ti,
@ -104,7 +104,7 @@ void dm_error(const char *message);
* Combine device limits.
*/
int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
sector_t start, void *data);
sector_t start, sector_t len, void *data);
struct dm_dev {
struct block_device *bdev;